Method of making watermarked stationery



E Drawing.

To all whom it may concern:

Be it known that I, WILLARD M. TEMPLE, a citizen of the United States, residing at Mason City, in the county of Cerro Gordo 6 and State of Iowa, have invented a new and useful Method of Making \Vatermarked Stationery, of which the following is a specification.

This invention relates to water marks on m stationery and more particularly to methods for making such marks.

The object of the invention is to provide a method for producing on stationery after it has been manufactured an exact simulation of water marks.

stationeryqpaper which has been manufacand does not leave anything of a greasy.

tured and preferablycut in sheets is subjected to the action of a marking fluid of a waxy nature containing a paper penetrating solvent which dries down almost instantly nature in the paper and consequently writing with either ink or typewriter over the mark in not affected.

In carrying out the process any kind of wax or wax substance such as stearic acid, white wax, paraifin, purified or distilled boiled linseed oil, white spar varnish or the like is dissolved to a liquid or paste consistency by any suitable solvent such as carbon tetrachloride, benzine, naphtha, alcohol or the like. If necessary a suit-able substance is added to the mixture to retard evaporation but if a solvent with a low vaporization point is used it is not necessary to use a retarding agent. I

The following constitutes an efiective formula to be used in carrying out the process, to wit:

This waxy compound is put in the inking WATER M. TEMPLE, OF OR CITY, IOWA.

no STATIONERY.

Application filed May 28, 1923. Serial No. 642,108.

fountains and run on the inking plates of any desired type of printing press, either rotary, flatbed, cylinder, or bed and platen, job printing press, or on any lithographic press, either direct or offset. The paper to be marked is fed through the machine in the ordinary manner, the form either negative or positive having been inked wit-h a thin film of the above described chemical or marking fluid, and is pressed in direct contact with the sheet of web of paper to be marked. The solvent instantly penetrates the paper carrying with it the wax, and the solvent quickly evaporates while the wax remains permanent-1y in the paper rendering it transparent at the point struck by the inked form. This process produces a. beautiful clear mark slightly more plainly visible by reflected light than is the regular watermark, and is very clearly visible by transmitted light, producing almost an exact facsimile of the regular paper machine watermark. Heavy pressure is notrequired to impress this mark in accordance with this process because of the extreme penetrating quality of the solvent.

I claim 1. A process of making watermarked paper which consists in passing manufactured paper through a press and impressing thereon a mark clearly visible by both trans? mitted and reflected light by means of a marking fluid of a waxy nature containing a paper penetrating evaporable solvent..

2. A process of making watermarked paper which consists in passing manufactured paper through a press having rubber paper contacting surfaces and impressing on the papera mark clearly visible by both trans mitted and reflected light by means of a marking fluid of an oily acid nature.

In testimony that I claim the foregoing as my own, I have hereto afiixed my signature in the presence of two witnesses.

WILLARD M. TEMPLE Witnesses:

W, G, u?! 1-, F. M. Gnacn. 

